<html>
    <head>
        <meta charset="UTF-8" />
        <title>倒计时钟</title>
        <link href="countdown-clock.css" rel="stylesheet">
        <script>
            // Load app.js script after document has rendered.
            var script = document.createElement('script');
            //script.src = 'app.js';
            script.src = 'countdown-clock.js'
            script.type = 'text/javascript';
            document.getElementsByTagName('head')[0].appendChild(script);
        </script>
    </head>
    <body>
        <canvas id="clock-canvas">Your browser does not support the 'canvas' element.</canvas>
    </body>
</html>
